Flusterstorm

Instant    (CMC:1)

Counter target instant or sorcery spell unless its controller pays . Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)

026 PZ1 • ENErica Yang

™ & © 1993— Wizards of the Coast

Notes: TODO: Check rarity

Legal in: Legacy,Vintage,Freeform,Prismatic,Tribal Wars Legacy,Classic,Singleton 100,Commander

Oracle Text (click to copy):

6/7/2013
The copies are put directly onto the stack. They aren't cast and won't be counted by other spells with storm cast later in the turn.
6/7/2013
Spells cast from zones other than a player's hand and spells that were countered are counted by the storm ability.
6/7/2013
A copy of a spell can be countered like any other spell, but it must be countered individually. Countering a spell with storm won't affect the copies.
6/7/2013
The triggered ability that creates the copies can itself be countered by anything that can counter a triggered ability. If it is countered, no copies will be put onto the stack.
6/7/2013
You may choose new targets for any of the copies. You can choose differently for each copy.